Why is it that i always help people wit they work but they wont give me not one single right answer on mines; Stop puttin links on my questions. Aint nobody Got time for that How much does 4.2 moles of Ca(NO3)2 weigh?

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?